diff --git a/memory.c b/memory.c
index 55c5da4..aa15432 100644
--- a/memory.c
+++ b/memory.c
@@ -29,10 +29,8 @@ void mem_prim_reset(int db)
 
 void *mem_prim(size_t size)
 {
-#if _DEBUG
     if (nextpri + size > primbuff_bounds)
         return NULL;    // TODO: report error
-#endif
 
     void *prim = nextpri;
     nextpri += size;